From da176941c1f481f14e93bd7d055cc29cac0ea8c8 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Sun, 12 Aug 2012 23:33:21 -0400
Subject: use new union api

---
 extools/coarsen_grammar.pl | 133 ---------------------------------------------
 1 file changed, 133 deletions(-)
 delete mode 100755 extools/coarsen_grammar.pl

(limited to 'extools/coarsen_grammar.pl')

diff --git a/extools/coarsen_grammar.pl b/extools/coarsen_grammar.pl
deleted file mode 100755
index f2dd6689..00000000
--- a/extools/coarsen_grammar.pl
+++ /dev/null
@@ -1,133 +0,0 @@
-#!/usr/bin/perl
-
-# dumb grammar coarsener that maps every nonterminal to X (except S).
-
-use strict;
-
-unless (@ARGV > 1){ 
-  die "Usage: $0 <weight file> <grammar file> [<grammar file> ... <grammar file>] \n";
-}
-my $weight_file = shift @ARGV;
-
-$ENV{"LC_ALL"} = "C";
-local(*GRAMMAR, *OUT_GRAMMAR, *WEIGHTS);
-
-my %weights;
-unless (open(WEIGHTS, $weight_file)) {die "Could not open weight file $weight_file\n" }
-while (<WEIGHTS>){
-  if (/(.+) (.+)$/){
-    $weights{$1} = $2;
-  } 
-}
-close(WEIGHTS);
-unless (keys(%weights)){
-  die "Could not find any PhraseModel features in weight file (perhaps you specified the wrong file?)\n\n".
-    "Usage: $0 <weight file> <grammar file> [<grammar file> ... <grammar file>] \n";
-}
-
-sub cleanup_and_die;
-$SIG{INT} = "cleanup_and_die";
-$SIG{TERM} = "cleanup_and_die"; 
-$SIG{HUP} = "cleanup_and_die";
-
-open(OUT_GRAMMAR, ">grammar.tmp");
-while (my $grammar_file = shift @ARGV){
-  unless (open(GRAMMAR, $grammar_file)) {die "Could not open grammar file $grammar_file\n"}
-  while (<GRAMMAR>){
-    if (/^((.*\|{3}){3})(.*)$/){
-      my $rule = $1;
-      my $rest = $3;
-      my $coarse_rule = $rule;
-      $coarse_rule =~ s/\[X[^\],]*/[X/g;
-      print OUT_GRAMMAR "$coarse_rule $rule $rest\n";
-    } else {
-      die "Unrecognized rule format: $_\n";
-    }
-  }
-  close(GRAMMAR);
-}
-close(OUT_GRAMMAR);
-
-`sort grammar.tmp > grammar.tmp.sorted`;
-sub dump_rules;
-sub compute_score;
-unless (open(GRAMMAR, "grammar.tmp.sorted")){ die "Something went wrong; could not open intermediate file grammar.tmp.sorted\n"};
-my $prev_coarse_rule = "";
-my $best_features = "";
-my $best_score = 0;
-my @rules = ();
-while (<GRAMMAR>){
-  if (/^\s*((\S.*\|{3}\s*){3})((\S.*\|{3}\s*){3})(.*)$/){
-    my $coarse_rule = $1;
-    my $fine_rule = $3;
-    my $features = $5;  # This code does not correctly handle rules with other info (e.g. alignments)
-    if ($coarse_rule eq $prev_coarse_rule){
-      my $score = compute_score($features, %weights);
-      if ($score > $best_score){
-        $best_score = $score;
-        $best_features = $features;
-      }
-    } else {
-      dump_rules($prev_coarse_rule, $best_features, @rules);
-      $prev_coarse_rule = $coarse_rule;
-      $best_features = $features;
-      $best_score = compute_score($features, %weights);
-      @rules = ();
-    }
-    push(@rules, "$fine_rule$features\n");
-  } else {
-    die "Something went wrong during grammar projection: $_\n";
-  }
-}
-dump_rules($prev_coarse_rule, $best_features, @rules);
-close(GRAMMAR);
-cleanup();
-
-sub compute_score {
-  my($features, %weights) = @_;
-  my $score = 0;
-  if ($features =~ s/^\s*(\S.*\S)\s*$/$1/) { 
-    my @features = split(/\s+/, $features);
-    my $pm=0;
-    for my $feature (@features) {
-      my $feature_name; 
-      my $feature_val;
-      if ($feature =~ /(.*)=(.*)/){
-        $feature_name = $1;
-        $feature_val= $2;
-      } else {
-        $feature_name = "PhraseModel_" . $pm;
-        $feature_val= $feature;
-      }
-      $pm++;
-      if ($weights{$feature_name}){
-        $score += $weights{$feature_name} * $feature_val;
-      } 
-    }  
-  } else {
-    die "Unexpected feature value format: $features\n";
-  }
-  return $score;
-}
-
-sub dump_rules {
-  my($coarse_rule, $coarse_rule_scores, @fine_rules) = @_;
-  unless($coarse_rule){ return; }
-  print "$coarse_rule $coarse_rule_scores\n";
-  for my $rule (@fine_rules){
-    print "\t$rule";
-  }
-}
-
-sub cleanup_and_die {
-  cleanup();
-  die "\n";
-}
-
-sub cleanup {
- `rm -rf grammar.tmp grammar.tmp.sorted`;
-}
-
-
-
-
-- 
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